Home / 2,106.34-2,908.32-1,360.76

Finding the Fourth Proportional to 2,106.34, 2,908.32 and 1,360.76

Calculator

Solution

The fourth proportional to 2,106.34, 2,908.32 and 1,360.76 is: 1,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.34 : 2,908.32 = 1,360.76 : x
  2. Step 2: Convert to fraction form
    2,106.34/2,908.32 = 1,360.76/x
  3. Step 3: Cross multiply
    2,106.34x = 2,908.32 × 1,360.76
  4. Step 4: Simplify right side
    2,106.34x = 3,957,525.52
  5. Step 5: Solve for x
    x = 3,957,525.52/2,106.34
  6. Step 6: Final answer
    x = 1,878.86

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.